14432044021 has 4 divisors (see below), whose sum is σ = 14432533452. Its totient is φ = 14431554592.

The previous prime is 14432043943. The next prime is 14432044037. The reversal of 14432044021 is 12044023441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12044023441 = 241 ⋅49975201.

It can be written as a sum of positive squares in 2 ways, for example, as 1592887921 + 12839156100 = 39911^2 + 113310^2 .

It is a cyclic number.

It is not a de Polignac number, because 14432044021 - 2²⁹ = 13895173109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14432044091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197440 + ... + 260473.

It is an arithmetic number, because the mean of its divisors is an integer number (3608133363).

Almost surely, 2^14432044021 is an apocalyptic number.

It is an amenable number.

14432044021 is a deficient number, since it is larger than the sum of its proper divisors (489431).

14432044021 is an equidigital number, since it uses as much as digits as its factorization.

14432044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489430.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 14432044021 its reverse (12044023441), we get a palindrome (26476067462).

The spelling of 14432044021 in words is "fourteen billion, four hundred thirty-two million, forty-four thousand, twenty-one".